Home / 8,345,015.68-12,516,901.44-2,665,840

Finding the Fourth Proportional to 8,345,015.68, 12,516,901.44 and 2,665,840

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Solution

The fourth proportional to 8,345,015.68, 12,516,901.44 and 2,665,840 is: 3,998,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345,015.68 : 12,516,901.44 = 2,665,840 : x
  2. Step 2: Convert to fraction form
    8,345,015.68/12,516,901.44 = 2,665,840/x
  3. Step 3: Cross multiply
    8,345,015.68x = 12,516,901.44 × 2,665,840
  4. Step 4: Simplify right side
    8,345,015.68x = 33,368,056,534,809.60
  5. Step 5: Solve for x
    x = 33,368,056,534,809.60/8,345,015.68
  6. Step 6: Final answer
    x = 3,998,561.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.